| Authors(s) | Cleve, P. T. | 
| Year | 1900 | 
| Title | The plankton of the North Sea, the English Channel and the Skagerak in 1898. K. Svenska vetensk. Akad. Handl. 32(8): 1-53, 11 figs. | 
| Authors(s) | Cleve, P. T. | 
| Year | 1900 | 
| Title | The plankton of the North Sea, the English Channel and the Skagerak in 1898. K. Svenska vetensk. Akad. Handl. 32(8): 1-53, 11 figs. |